Endomag

Endomag is a medical technology company based in Cambridge, England, that develops magnetic localization and staging products for breast cancer surgery, including the Magseed marker and the Magtrace lymphatic tracer. Its technologies replace guidewires and radioactive tracers in lumpectomy and sentinel node procedures, and the company reports adoption by more than 1,350 hospitals in over 45 countries with more than 750,000 patients treated. Endomag was acquired by Hologic in 2024 and now operates within its breast health business, supporting surgeons and radiologists with clinical training and field support.